Polyethylene coated cloth backing with rubber adhesive
High tack, conformability, strength and easy tear make 3939 ideal for many duct and moisture sealing, holding, protecting and bundling applications
Silver polyethylene surface resists wear, abrasion and water
High tensile strength for a secure hold under stress
3MT Heavy Duty Duct Tape 3939 offers easy tear and conformability. Individual roll wrap preserves integrity of the roll for less waste. The product number is printed in core to insure the correct product is used. Good moisture resistance. Has good tensile strength.".